<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="plugins/adminLTE/css/AdminLTE.css">
    <link rel="stylesheet" href="plugins/adminLTE/css/skins/_all-skins.css">
    <link rel="stylesheet" href="plugins/bootstrap/css/bootstrap.css">
    <script src="plugins/jQuery/jquery-2.2.3.min.js"></script>

</head>
<body class="hold-transition skin-blue sidebar-mini">
<div class="wrapper">
   <header class="main-header">
       <a href="#" class="logo">
           这是放logo的位置
       </a>
       <nav class="navbar navbar-static-top">
           这是nav的位置
       </nav>
   </header>

    <aside class="main-sidebar">
        <ul class="treeview-menu">
            <li><a href="http://www.baidu.com" target="myIframe">百度</a></li>
            <li><a href="http://www.itheima.com" target="myIframe">黑马</a></li>
        </ul>
    </aside>

    <div class="content-wrapper">
        <iframe name="myIframe" style="height: 800px;width: 1000px"></iframe>
    </div>

    <footer class="main-footer">
        这是底部的内容
    </footer>


</div>


</body>
</html>